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Question

Physics Question on Electromagnetic waves

According to Maxwell?? hypothesis, a changing electric field gives rise to

A

magnetic field

B

electric current

C

an e.m.f.

D

pressure radiant

Answer

magnetic field

Explanation

Solution

×B=μ0(J+ϵ0dEdt)\nabla \times B =\mu_{0}\left( J +\epsilon_{0} \frac{ dE }{ dt }\right) using this equation of maxwell we can say changing electric field dEdt\frac{d E}{d t} induces magnetic field.